/*
 * Copyright (c) 2015, Nils Braden
 *
 * This file is part of ttrss-reader-fork. This program is free software; you
 * can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation;
 * either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details. You should have received a
 * copy of the GNU General Public License along with this program; If
 * not, see http://www.gnu.org/licenses/.
 */

package org.ttrssreader.model.pojos;

import org.jetbrains.annotations.NotNull;

import java.util.Date;

/**
 * this class represents remote file (image, attachment, etc)
 * belonging to article(s), which may be locally stored (cached)
 *
 * @author igor
 */
public class RemoteFile implements Comparable<RemoteFile> {
    /** numerical ID */
    public int id;

    /** remote file URL */
    public String url;

    /** file size */
    public int length;

    /** last change date */
    private Date updated;

    /** boolean flag determining if the file is locally stored */
    public volatile boolean cached;

    /**
     * constructor with parameters
     *
     * @param id      numerical ID
     * @param url     remote file URL
     * @param length  file size
     * @param updated last change date
     * @param cached  boolean flag determining if the file is locally stored
     */
    public RemoteFile(int id, String url, int length, Date updated, boolean cached) {
        this.id = id;
        this.url = url;
        this.length = length;
        this.updated = updated;
        this.cached = cached;
    }

    @Override
    public int compareTo(@NotNull RemoteFile rf) {
        return rf.updated.compareTo(this.updated);
    }

    @Override
    public boolean equals(Object o) {
        boolean isEqual = false;
        if (o != null && o instanceof RemoteFile) {
            RemoteFile rf = (RemoteFile) o;
            isEqual = (id == rf.id);
        }
        return isEqual;
    }

    @Override
    public int hashCode() {
        return id;
    }

}
